18c2ecf20Sopenharmony_ciWhat: /sys/block/loopX/loop/autoclear 28c2ecf20Sopenharmony_ciDate: Aug, 2010 38c2ecf20Sopenharmony_ciKernelVersion: v2.6.37 48c2ecf20Sopenharmony_ciContact: linux-block@vger.kernel.org 58c2ecf20Sopenharmony_ciDescription: 68c2ecf20Sopenharmony_ci (RO) Shows if the device is in autoclear mode or not ( "1" or 78c2ecf20Sopenharmony_ci "0"). Autoclear (if set) indicates that the loopback device will 88c2ecf20Sopenharmony_ci self-distruct after last close. 98c2ecf20Sopenharmony_ci 108c2ecf20Sopenharmony_ciWhat: /sys/block/loopX/loop/backing_file 118c2ecf20Sopenharmony_ciDate: Aug, 2010 128c2ecf20Sopenharmony_ciKernelVersion: v2.6.37 138c2ecf20Sopenharmony_ciContact: linux-block@vger.kernel.org 148c2ecf20Sopenharmony_ciDescription: 158c2ecf20Sopenharmony_ci (RO) The path of the backing file that the loop device maps its 168c2ecf20Sopenharmony_ci data blocks to. 178c2ecf20Sopenharmony_ci 188c2ecf20Sopenharmony_ciWhat: /sys/block/loopX/loop/offset 198c2ecf20Sopenharmony_ciDate: Aug, 2010 208c2ecf20Sopenharmony_ciKernelVersion: v2.6.37 218c2ecf20Sopenharmony_ciContact: linux-block@vger.kernel.org 228c2ecf20Sopenharmony_ciDescription: 238c2ecf20Sopenharmony_ci (RO) Start offset (in bytes). 248c2ecf20Sopenharmony_ci 258c2ecf20Sopenharmony_ciWhat: /sys/block/loopX/loop/sizelimit 268c2ecf20Sopenharmony_ciDate: Aug, 2010 278c2ecf20Sopenharmony_ciKernelVersion: v2.6.37 288c2ecf20Sopenharmony_ciContact: linux-block@vger.kernel.org 298c2ecf20Sopenharmony_ciDescription: 308c2ecf20Sopenharmony_ci (RO) The size (in bytes) that the block device maps, starting 318c2ecf20Sopenharmony_ci from the offset. 328c2ecf20Sopenharmony_ci 338c2ecf20Sopenharmony_ciWhat: /sys/block/loopX/loop/partscan 348c2ecf20Sopenharmony_ciDate: Aug, 2011 358c2ecf20Sopenharmony_ciKernelVersion: v3.10 368c2ecf20Sopenharmony_ciContact: linux-block@vger.kernel.org 378c2ecf20Sopenharmony_ciDescription: 388c2ecf20Sopenharmony_ci (RO) Shows if automatic partition scanning is enabled for the 398c2ecf20Sopenharmony_ci device or not ("1" or "0"). This can be requested individually 408c2ecf20Sopenharmony_ci per loop device during its setup by setting LO_FLAGS_PARTSCAN in 418c2ecf20Sopenharmony_ci in the ioctl request. By default, no partition tables are 428c2ecf20Sopenharmony_ci scanned. 438c2ecf20Sopenharmony_ci 448c2ecf20Sopenharmony_ciWhat: /sys/block/loopX/loop/dio 458c2ecf20Sopenharmony_ciDate: Aug, 2015 468c2ecf20Sopenharmony_ciKernelVersion: v4.10 478c2ecf20Sopenharmony_ciContact: linux-block@vger.kernel.org 488c2ecf20Sopenharmony_ciDescription: 498c2ecf20Sopenharmony_ci (RO) Shows if direct IO is being used to access backing file or 508c2ecf20Sopenharmony_ci not ("1 or "0"). 51